tree 057eea790eff3515d68363dbc92f402add29ed64
parent 2041df15161c4e75a014bd9691b0b57b35e45e9a
author Yuta HIGUCHI <y-higuchi@onlab.us> 1392154304 -0800
committer Yuta HIGUCHI <y-higuchi@onlab.us> 1392154975 -0800

WIP: use Event object on NetworkGraphImpl

Change-Id: I3a1d80bb23057aa8f22f4f53d33d7eb40fd89a2e